Blog: High-Strength RC, Section Analysis, and Retaining Wallshttps://structflow.app/en/blog/StructFlow blog: launch news and practical notes on Taiwan New RC high-strength reinforced concrete, biaxial bending checks for columns, and cantilever retaining wall design.en StructFlow is now live: bringing New RC research into everyday designhttps://structflow.app/en/blog/structflow-launch/https://structflow.app/en/blog/structflow-launch/Sun, 11 Oct 2026 16:00:00 GMTNewsStructFlow is live: five cloud tools for rectangular columns, structural walls, circular columns, moment–curvature, and cantilever retaining walls. Verified by professors, in four languages; sign up free with SUHUL EIP. From ETABS column forces to StructFlow: check tens of thousands of load cases at oncehttps://structflow.app/en/blog/etabs-load-check/https://structflow.app/en/blog/etabs-load-check/Sun, 11 Oct 2026 16:00:00 GMTHow-toHow-to: export the Column Forces table from ETABS, paste it into the StructFlow rectangular column, wall, or circular column tool, check tens of thousands of load combinations, sort by D/C, and export a report. What is Taiwan New RC, the new high-strength reinforced concrete?https://structflow.app/en/blog/what-is-new-rc/https://structflow.app/en/blog/what-is-new-rc/Sun, 11 Oct 2026 16:00:00 GMTConceptsAn introduction to Taiwan New RC high-strength reinforced concrete: research background, high-strength concrete with SD685/SD785 reinforcement, how design differs from conventional RC, and research resources. Biaxial bending check for columns: why two uniaxial checks are not enoughhttps://structflow.app/en/blog/biaxial-bending-check/https://structflow.app/en/blog/biaxial-bending-check/Sun, 11 Oct 2026 16:00:00 GMTPracticeBiaxial bending check for RC columns: why separate uniaxial checks can be unconservative, what the P–Mx–My interaction surface and demand/capacity ratio mean, and how to check large ETABS load sets at once. Spiral columns vs tied columns: how the design differshttps://structflow.app/en/blog/spiral-vs-tied-columns/https://structflow.app/en/blog/spiral-vs-tied-columns/Sun, 11 Oct 2026 16:00:00 GMTConceptsSpiral vs tied columns: confinement effect, failure modes, and the different strength reduction factors and axial load limits in the code, and how to switch between them in StructFlow to compare. Boundary elements in structural walls: why the ends of a wall need special treatmenthttps://structflow.app/en/blog/structural-wall-boundary-elements/https://structflow.app/en/blog/structural-wall-boundary-elements/Sun, 11 Oct 2026 16:00:00 GMTConceptsBoundary elements in structural (shear) walls: why wall ends carry the largest compressive strain, boundary element reinforcement and confinement, strong- versus weak-axis capacity, and entering a wall section by parameters in StructFlow. How to read a moment–curvature curve: yield, ultimate, and curvature ductilityhttps://structflow.app/en/blog/moment-curvature-ductility/https://structflow.app/en/blog/moment-curvature-ductility/Sun, 11 Oct 2026 16:00:00 GMTConceptsAn introduction to moment–curvature (M–φ) curves: what the yield, peak, and ultimate points mean, how curvature ductility is calculated, and how confinement, axial load, and materials affect ductility. UHPC jacket retrofit of existing columns: research highlights and how to evaluatehttps://structflow.app/en/blog/uhpc-jacket-retrofit/https://structflow.app/en/blog/uhpc-jacket-retrofit/Sun, 11 Oct 2026 16:00:00 GMTResearchUHPC jacket retrofit of existing RC columns: properties of ultra-high-performance concrete, recent full-scale test research (high axial load, shear-deficient columns, cast-in-place and precast), and evaluation by moment–curvature analysis. Cantilever retaining wall design: what to check under the 2023 (ROC 112) codehttps://structflow.app/en/blog/retaining-wall-2023-code/https://structflow.app/en/blog/retaining-wall-2023-code/Sun, 11 Oct 2026 16:00:00 GMTPracticeCantilever retaining wall checklist per the 2023 (ROC 112) Taiwan foundation and concrete design specifications: static and seismic overturning, sliding, eccentricity, bearing, groundwater, seismic earth pressure, and member strength.